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MICROCHIP DDR Verenga IP

MICROCHIP-DDR-Read-IP-chigadzirwa

Zvinotsanangurwa

  • Zita reChigadzirwa: DDR Verenga IP v2.0
  • Inoenderana neVhidhiyo Arbiter IP
  • Inoshandiswa kuverenga kuputika kwe data inoenderera kubva kuDDR memory
  • Inowanzo shandiswa mumavhidhiyo maapplication kuverenga yega yega yakachinjika mutsara wevhidhiyo furemu yakachengetwa muDDR memory

Iyo DDR Read IP ine zvakare yekupinza uye yekubuda madoko muArbiter

Interface bhazi uye AXI4 Stream Interface, yakanyorwa mubhuku remushandisi.

FAQ

  1. Chii chinangwa cheDDR Read IP?
  2. Chii chinodiwa kuenderana kweDDR Read IP?
  3. Ndeapi maapplication ari DDR Read IP anowanzo shandiswa?

Nhanganyaya

DDR Verenga IP inoverenga zvakawanda zvinoramba zvichiitika kubva kuDDR memory. Iyo DDR Read IP inofanirwa kushandiswa neVhidhiyo Arbiter IP inoshandura zvikumbiro zvekuverenga kuita AXI4 transaction. Iyo DDR Read IP inowanzo shandiswa mumavhidhiyo maapplication kuverenga yega yega yakachinjika mutsara wevhidhiyo furemu yakachengetwa muDDR memory.

Mufananidzo 1. SmartDesign Arbiter Interface

MICROCHIP-DDR-Read-IP-fig-1

Key Features

  • Kazhinji inoshandiswa kuverenga Vhidhiyo Frame Lines
  • Inotsigira Output Vhidhiyo Pixel Width ye8, 16, uye 32 bits
  • Inotsigira Vhidhiyo Arbiter Interface ye128, 256, uye 512 bits
  • Inotsigira AXI4 Stream Interface

Hardware Implementation

Iyo IP inogadzira masiginecha ekutonga kuVhidhiyo arbiter IP zvichibva pane zvakaiswa mushandisi yeiyo yakachinjika resolution fremu yekutanga kero. Macheto ari kusimukira e read_en_i anotanga kuverenga. Iyo data kubva kumupire wevhidhiyo inochengetwa muCDC FIFO inoshandura data kubva kuDDR wachi domain kuenda kune pixel wachi domain. Iyo data inoverengwa kubva kuFIFO kumucheto kwe read_en_i uye isina kurongedzerwa kugadzira pixel data. Iyo read_en_i inofanirwa kunge yakakwira kwenguva yakakwana yekupedzisa DDR kuverenga transaction uye nguva yakakurudzirwa ndeyewachi akati wandei akaenzana neyakachinjika kugadzirisa. Mutsetse wekutanga unoverengwa kubva kukero inotsanangurwa neframe_start_addr_i, uye mushure mekuverenga kwega kwega kutengeserana, kero inowedzerwa nemutsara_gap_i. Kero yekuverenga inoiswa patsva kune furemu_start_addr_i pane yega furemu_end_i chiratidzo. Iyo data inobuda yakakwira kune yakachinjika kugadzirisa nhamba yewachi.

Dhizaini Dhizaini

  • Nhamba inotevera inoratidza iyo yepamusoro-pini-kunze dhayagiramu yeDDR Read.

MICROCHIP-DDR-Read-IP-fig-2

Input uye Output Ports
Iyi tafura inotevera inonyora ekuisa uye kubuda madoko eDDR Verenga IP muNative Interface.
Tafura 1-1. Kupinza uye Kubuda Ports yeDDR Kuverenga muNative Interface.

Port Name Type Upamhi Tsanangudzo
reset_i Input Active Low asynchronous reset chiratidzo chekugadzira
pixel_clk_i Input Pixel wachi
ddr_clk_i Input DDR wachi kubva kundangariro controller
furemu_kuguma_i Input Kupera kwechiratidzo chechimiro
verenga_en_i Input Verenga inogonesa chiratidzo chekuverenga
mutsetse_mukana_i Input 16 zvishoma Mutsetse mukaha pakati pemitsetse miviri
horz_resl_i Input 16 zvishoma Horizontal resolution
Port Name Type Upamhi Tsanangudzo
h_pan_i Input 12 zvishoma Horizontal offset kune yega yega vhidhiyo mutsara wekuchinjika panning
v_pan_i Input 12 zvishoma Vertical offset kubva pafremu yekutanga kero ye vertical panning
verenga_akn_i Input Mvumo yekuverenga chikumbiro kubva kune vhidhiyo arbiter
verenga_ndaita_i Input Verenga kupedzisa kupinza kubva kune vhidhiyo arbiter
ddr_data_valid_i Input Verenga data inoshanda kubva kuArbiter
frame_start_add Input 8 zvishoma Vhidhiyo furemu yekutanga kero
wdata_i Input Input Data Width Verenga data kubva kuArbiter
verenga_req_o Output Verenga chikumbiro kune mutongi gava
verenga_tanga_addr_o Output 32 zvishoma DDR kero kubva panofanira kutangirwa kuverenga
burst_size_o Output 8 zvishoma Verenga kuputika saizi
data_valid_o Output Data Inoshanda
data_o Output Output Data Width Data yeVhidhiyo Pipelining

Iyi tafura inotevera inoronga zvekupinza uye zvinobuda zviteshi zveDDR Verenga IP mubhazi reArbiter Interface.
Tafura 1-2. Zvekupinda uye Zvekubuda Ports zveDDR Verenga muArbiter Interface Bhazi.

Port Name Type Upamhi Tsanangudzo
RDATA_I Input Input Data Width Verenga data kubva kuArbiter
RVALID_I Input Verenga data inoshanda kubva kuArbiter
ARREADY_I Input Arbiter kubvuma kubva pakuverenga chikumbiro
BUSER_I Input Verenga kupedza
ARADDR_O Output 32 zvishoma DDR kero kubva panofanira kutangirwa kuverenga
ARVALID_O Output Verenga chikumbiro kune mutongi gava
ARSIZE_O Output 8 zvishoma Verenga kuputika saizi

Iyi tafura inotevera inonyora ekuisa uye kubuda madoko eDDR Verenga IP muAXI4 Stream Interface.
Tafura 1-3. Input and Output Ports yeDDR Verenga muAXI4 Stream Interface.

Port Name Type Upamhi Tsanangudzo
CLOCK_I Input Pixel wachi
RESET_n_I Input Active Low asynchronous reset chiratidzo chekugadzira
TDATA_O Output Output Data Width Output Vhidhiyo Data
TSTRB_O Output [Output Data Width/8 – 1: 0] Output Vhidhiyo Data strobe
TKEEP_O Output [Output Data Width/8 – 1: 0] Output Vhidhiyo Data Chengetedza
TVALID_O Output Yakabuda Vhidhiyo data inoshanda
TUSER_O Output 4 zvishoma Yakabuda mushandisi data 0bit= VSYNC

3bit =Frame kupera

Port Name Type Upamhi Tsanangudzo
TLAST_O Output Kubuda Vhidhiyo Kupera kweFremu

Configuration Parameters

Tafura inotevera inoronga zvigadziriso zvimiro zvinoshandiswa muDDR Verenga IP hardware kuita. Aya ma generic paramita uye anogona kusiana zvichienderana nezvinodiwa zvekushandisa.
Tafura 1-4. Configuration Parameters

Parameter Zita Tsanangudzo
Horizontal Resolution Inotsanangura horizontal resolution
Input Data Width Inotsanangura hupamhi hwedata rekuisa (128, 256, uye 512 bits)
Output Data Width Inotsanangura iyo yakabuda data upamhi (8, 16, 24, 32, uye 64 bits)
Arbiter Interface Sarudzo dzekusarudza iyo Arbiter Interface kubva pane yekudonha-pasi menyu seNative kana Bhazi Interface
Data Interface Sarudzo dzekusarudza iyo Data Interface kubva pane yekudonha-pasi menyu seNative uye AXI4 Stream Interface

Resource Utilization
Tafura inotevera inoronga mashandisirwo ezviwanikwa zveDDR Verenga IP muNative Interface ine yekupinda data wide = 256 uye inobuda data wide = 8.
DDR Read block inoshandiswa paPolarFire FPGA mudziyo, MPF300TS_ES-1FCG1152E package.
Tafura 1-5. DDR Verenga IP muNative Interface

Resource Usage
DFFs 502
4 kuisa LUTs 513
MACC 0
LSRAM 18K 14
SRAM 0

Tafura inotevera inoronga mashandisirwo ezviwanikwa zveDDR Verenga IP muBus Interface uye AXI4 rwizi ine yekupinda data hupamhi = 256 uye inobuda data upamhi = 8.
Tafura 1-6. DDR Verenga IP muBus Interface uye AXI4 Stream

Resource Usage
DFFs 512
4 kuisa LUTs 514
MACC 0
LSRAM 18K 14
SRAM 0

Revision History
Nhoroondo yekudzokorora inotsanangura shanduko dzakaitwa mugwaro. Kuchinja kwacho kunorongwa nekudzokorora, kutanga nebhuku razvino uno.

Kudzokorora Date Tsanangudzo
1.0 03/2022 Ongororo Yokutanga.

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Zvinyorwa / Zvishandiso

MICROCHIP DDR Verenga IP [pdf] Bhuku reMushandisi
DDR Verenga IP, DDR, Verenga IP, IP

References

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